Both archaea and bacteria have a/n , but it is made of peptidoglycan in bacteria and pseudo peptidoglycan in archaea.

Structures in cells that carry out specific functions.

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -